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Finding the Fourth Proportional to 424,118.36, 585,039.30 and 254,253.80

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Solution

The fourth proportional to 424,118.36, 585,039.30 and 254,253.80 is: 350,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,118.36 : 585,039.30 = 254,253.80 : x
  2. Step 2: Convert to fraction form
    424,118.36/585,039.30 = 254,253.80/x
  3. Step 3: Cross multiply
    424,118.36x = 585,039.30 × 254,253.80
  4. Step 4: Simplify right side
    424,118.36x = 148,748,465,174.34
  5. Step 5: Solve for x
    x = 148,748,465,174.34/424,118.36
  6. Step 6: Final answer
    x = 350,723.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.